471050_0_0_30851.cpp:3: error: `main' must return `int'
471050_0_0_30851.cpp: In function `int main(...)':
471050_0_0_30851.cpp:7: error: `summ' undeclared (first use this function)
471050_0_0_30851.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
471050_0_0_30851.cpp: In function `int summ(int)':
471050_0_0_30851.cpp:13: error: `int summ(int)' used prior to declaration
471050_0_0_30851.cpp: At global scope:
471050_0_0_30851.cpp:25: error: stray '\26' in program
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